On the September 5 broadcast of '1 vs. 100', K.Will talked about performing over 700 congratulatory songs at wedding ceremonies!

The MC said, "K.Will joins Yurisangja/Glass Box as the nation's leading congratulatory performers."

The singer responded, "I do perform many congratulatory songs. There was one time where I performed from morning until the afternoon back to back for an entire day."

He added, "I've thought about the number of times I performed and it must have been more than 700 times. Many acquaintances and family members around me get married so I perform for them with a rather envious heart, admiring the beautiful scene."

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The MC then asked if he received a request from the Song Joong Ki-Song Hye Kyo couple yet! K.Will answered, "A lot of people are saying that either I or Gummy should sing the congratulatory song for them. However, I have not heard from them yet."